Insert for a web material dispenser



FIG. 1 is an isometric view of an insert for a web material dispenser, embodying my new design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a side elevation view thereof, wherein the opposing side elevation view is a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof.

The features shown in broken lines depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for an insert for a web material dispenser, as shown and described. 